2013年8月我厂ATP装置开始进行第一次生产运行。在运行48 h内,烟气冷却器就发生严重堵塞现象,影响了装置的连续生产,迫使装置在开工不到48小时内就立即停工,造成了重大的经济损失,该问题成为影响整个ATP装置投用的重大问题。本文对烟气冷却器堵塞的原因进行了分析,并提出了解决方案。 In August 2013, our factory ATP plant started its first production operation. During 48 hours of operation, the flue gas cooler was severely clogged, affecting the continuous production of the unit, forcing the unit to stop work immediately within 48 hours of start-up, resulting in significant economic loss, which became a problem affecting the entire ATP plant A major issue of investment. In this paper, the reasons of blockage of flue gas cooler are analyzed and the solution is put forward.